| 18 | 18th LS(200531) Ch6 Log(P165) | Jp Park  | 2020-05-31 | 0 |
| 17 | 17th LS(200524) Ch12 Exponetial & Log Differentiation(P305).. | Jp Park | 2020-05-24 | 0 |
| 16 | 16th LS(200519) Ch12 Rules of Differentiation(P297) | Jp Park | 2020-05-19 | 0 |
| 15 | 15th LS(200514) Ch10 Introduction to Differential Calculus(P.. | Jp Park | 2020-05-14 | 0 |
| 14 | 14th LS(200509) Trigonometric Function Oxford Exam Style Pr.. | Jp Park | 2020-05-10 | 0 |
| 13 | 13th LS(200505) Trigonometric Function 학교자료 | Jp Park | 2020-05-05 | 0 |
| 12 | 12th LS(200428) Trigonometric Function 시험대비 | Jp Park | 2020-04-29 | 0 |
| 11 | 11th LS(200426) Trigonometric Function 학교자료 | Jp Park | 2020-04-26 | 0 |
| 10 | 10th LS(200423) Trigonometric Function(P205) | Jp Park | 2020-04-23 | 0 |
| 9 | 9th LS(200421) sine graph(P182) | Jp Park | 2020-04-21 | 0 |
| 8 | 8th LS(200419) Exponential Functions Application(P139) | Jp Park | 2020-04-19 | 0 |
| 7 | 7th LS(200414) Exponential Functions(P127) | Jp Park | 2020-04-14 | 0 |
| 6 | 6th LS(200411) Transformations of Functions(P114) | Jp Park | 2020-04-12 | 0 |
| 5 | 5th LS(200407) half angle theorem(P242) | Jp Park | 2020-04-07 | 0 |
| 4 | 4th LS(200403) Double angle theorem(P239) | Jp Park | 2020-04-07 | 0 |
| 3 | 3rd LS(200331) Trigonometric Function Modeling(P221) | Jp Park | 2020-03-31 | 0 |
| 2 | 2nd LS(200328) Trigonometric Function(P207) | Jp Park | 2020-03-28 | 0 |
| 1 | 1st LS(200323) Unit Circle and Radian Measure(P193) | Jp Park | 2020-03-24 | 0 |
